42488473 has 2 divisors, whose sum is σ = 42488474. Its totient is φ = 42488472.

The previous prime is 42488449. The next prime is 42488477. The reversal of 42488473 is 37488424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39841344 + 2647129 = 6312^2 + 1627^2 .

It is a cyclic number.

It is not a de Polignac number, because 42488473 - 2⁵ = 42488441 is a prime.

It is not a weakly prime, because it can be changed into another prime (42488477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21244236 + 21244237.

It is an arithmetic number, because the mean of its divisors is an integer number (21244237).

Almost surely, 2^42488473 is an apocalyptic number.

It is an amenable number.

42488473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42488473 is an equidigital number, since it uses as much as digits as its factorization.

42488473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172032, while the sum is 40.

The square root of 42488473 is about 6518.3182647060. The cubic root of 42488473 is about 348.9450492707.

It can be divided in two parts, 4248 and 8473, that added together give a palindrome (12721).

The spelling of 42488473 in words is "forty-two million, four hundred eighty-eight thousand, four hundred seventy-three".